package com.gocoolmall.order.config;



import com.gocoolmall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


import java.io.IOException;
import java.util.HashMap;


@Configuration
public class MyMQConfig {
    //@Bean Binding,Queue,Exchange

    /**
     * 在容器中的Binding，Queue，Exhang 都会自动创建（rabbitMQ没有的情况）
     * rabbitMQ 只要有，@Bean声明属性发生变化页不会覆盖
     * @return
     */
    @Bean
    public Queue orerDelayDueue(){
        HashMap<String, Object> arguments = new HashMap<>();
        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        //String name, boolean durable, boolean exclusive,
        // boolean autoDelete, Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);

        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }
    @Bean
    public Exchange orderEventExchange(){
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        Exchange topicExchange = new TopicExchange("order-event-exchange", true, false);
        return topicExchange;
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments
        Binding binding = new Binding("order.delay.queue",
                                    Binding.DestinationType.QUEUE,
                                    "order-event-exchange",
                                    "order.create.order",null);
        return binding;
    }

    @Bean
    public Binding orderReleaseOrderBinding(){
        Binding binding = new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",null);
        return binding;
    }

    //rabbitmq测试
    @RabbitListener(queues = "order.release.order.queue")
    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {

        System.out.println("收到过期的订单信息：准备关闭订单"+entity.getOrderSn());
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",null);
    }

    @Bean
    public Queue orderSeckillOrderQueue(){
        //String name,
        // boolean durable,
        // boolean exclusive,
        // boolean autoDelete,
        Queue queue = new Queue("order.seckill.order.queue", true, false, false);

        return queue;
    }

    @Bean
    public Binding orderSeckillOrderBinding(){
        //String destination,
        // Binding.DestinationType destinationType,
        // String exchange,
        // String routingKey,
        // Map<String, Object> arguments
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }



}
